211113139 has 2 divisors, whose sum is σ = 211113140. Its totient is φ = 211113138.

The previous prime is 211113109. The next prime is 211113163. The reversal of 211113139 is 931311112.

211113139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211113139 - 2¹⁷ = 210982067 is a prime.

It is not a weakly prime, because it can be changed into another prime (211113109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556569 + 105556570.

It is an arithmetic number, because the mean of its divisors is an integer number (105556570).

Almost surely, 2^211113139 is an apocalyptic number.

211113139 is a deficient number, since it is larger than the sum of its proper divisors (1).

211113139 is an equidigital number, since it uses as much as digits as its factorization.

211113139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162, while the sum is 22.

The square root of 211113139 is about 14529.7329294106. The cubic root of 211113139 is about 595.4405691161.

The spelling of 211113139 in words is "two hundred eleven million, one hundred thirteen thousand, one hundred thirty-nine".